38830870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:317

約数の個数: 64

約数和(自身を含む): 80640000

約数和(自身を除く): 41809130

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 79, 95, 130, 158, 190, 199, 247, 395, 398, 494, 790, 995, 1027, 1235, 1501, 1990, 2054, 2470, 2587, 3002, 3781, 5135, 5174, 7505, 7562, 10270, 12935, 15010, 15721, 18905, 19513, 25870, 31442, 37810, 39026, 49153, 78605, 97565, 98306, 157210, 195130, 204373, 245765, 298699, 408746, 491530, 597398, 1021865, 1493495, 2043730, 2986990, 3883087, 7766174, 19415435, 38830870]

約数ペア:

[(1, 38830870), (2, 19415435), (5, 7766174), (10, 3883087), (13, 2986990), (19, 2043730), (26, 1493495), (38, 1021865), (65, 597398), (79, 491530), (95, 408746), (130, 298699), (158, 245765), (190, 204373), (199, 195130), (247, 157210), (395, 98306), (398, 97565), (494, 78605), (790, 49153), (995, 39026), (1027, 37810), (1235, 31442), (1501, 25870), (1990, 19513), (2054, 18905), (2470, 15721), (2587, 15010), (3002, 12935), (3781, 10270), (5135, 7562), (5174, 7505)]